The quest for happiness is as old as humanity itself. Philosophers have pondered it, poets have sung about it, and, in recent ...

Age is just a number — and maybe an indicator of your happiness. The decline in happiness among young people in North America is upending a theory that our levels of happiness throughout our ...

supporting the U-Curve of happiness theory. The U-Curve theory suggests that after the pressures of midlife—careers, family responsibilities, and financial concerns—begin to ease, people ...

Do you think of relationships as cats or toasters? The answer, hopefully, is neither, but the toaster/cat theory is one that renowned happiness researcher Arthur Brooks wants us to get familiar with.

The hedonic treadmill is the idea that an individual's level of happiness, after rising or falling in response to positive or negative life events, ultimately tends to move back toward where it ...